Fix webview loading errors in private browsing

If you use Microsoft Visual Studio Code - Open Source in a private browsing window, you might encounter an error message. The error is: Error loading webview: Error: Could not register service workers.

This is a known issue affecting the following browsers:

  • Google Chrome in Incognito mode
  • Mozilla Firefox in Private Browsing mode
Table 1. Dealing with the webview error in a private browsing window
Browser Workarounds

Google Chrome

Go to SettingsPrivacy and securityCookies and other site dataAllow all cookies.

Mozilla Firefox

Webviews are not supported in Private Browsing mode. See the Mozilla bug report for details.